Operation on a Resource after Expiration or Release in Linux kernel - CVE-2026-80936
Published: September 13, 2026
Vulnerability identifier: #VU149462
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80936
CWE-ID: CWE-672
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a kernel warning.
The vulnerability exists due to improper resource lifetime management in the mt7925 stop path when tearing down a device during multi-link power-save setup. A local user can tear down the device while delayed power-management work is pending to trigger a kernel warning.
The delayed work is scheduled with a five-second delay.
Affected software
Linux kernel
How to mitigate CVE-2026-80936
Install security update from vendor's repository.